Filters, as used in computing, serve a similar function to those used in the physical world - they separate one type of item from a larger grouping of items.

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29
votes
2answers
4k views

How to rate-limit a pipe under linux?

Is there a filter which I could use to rate-limit a pipe on linux? If this exists, let call it rate-limit, I want to be able to type in a terminal something like cat /dev/urandom | rate-limit 3 -k | ...
16
votes
3answers
22k views

What is the relevance of “fe80::1%lo0 localhost” in /etc/hosts?

Following are the entries in my /etc/hosts. I was wondering what is the last entry (fe80::1%lo0 localhost) for. 127.0.0.1 localhost 255.255.255.255 broadcasthost ::1 localhost fe80::1%lo0 localhost ...
8
votes
2answers
4k views

Why can't my Outlook 2007 rule be server-side when using 'Mark as Read Only" rule

Using Outlook 2007 with an Exchange Server. I am trying to setup a server-side rule, but if I decide to mark the message read-only, Outlook forces the rule to be client-side. I'd like my rules to be ...
6
votes
4answers
10k views

How to get Thunderbird to archive messages automatically

I want Thunderbird 3.1.1 to automatically move old messages to archive. The definition of "old" should vary by folder. E.g., messages in the "Meeting minutes" folder should get archived after 7 days, ...
6
votes
5answers
4k views

Removing duplicate emails in Thunderbird

I need to stop the duplicate mail (which is already in my mail box) in Thunderbird or any mail box. Are there any filters for this?
6
votes
1answer
2k views

How to filter the unreplied emails only in Outlook 2010?

I want to filter and view only the unreplied emails from me. So that, it would easier for me to ensure and reply all of them easily. Can you please suggest a way for this? Edited: Applied the ...
6
votes
2answers
4k views

How can I get Thunderbird to automatically move messages?

I have Thunderbird 15. I'd like to automatically move messages from one folder to another. My mail account is an IMAP account. My Blackberry is also connected to the account and when it sends mail, ...
5
votes
2answers
1k views

How do I create an email filter with complex logic?

I subscribe to a Yahoo Group that sends out hundreds of messages a day (or dozens of "digests"). Of these, I want to read about 3 messages. So, I have some criteria to filter out the cruft, but ...
5
votes
1answer
678 views

How to write an AdBlock Plus filter to block just one ad by URL on an otherwise exempted page?

I use AdBlock Plus with the default automatic filter subscriptions, but I exempt deserving sites that are not over-the-top with ads, such as most sites in "The Deck" ad network. Let's call one of the ...
5
votes
1answer
184 views

Control timing of email arrival

Richard Stallman downloads email once a day: http://www.emacswiki.org/emacs/RichardStallman How can I replicate this in Gmail? Specifically, I'd like something that would deliver all of the messages ...
4
votes
4answers
1k views

Can I block single page with NoScript?

I use page that has very annoying alert onLoad, I'd like to block JavaScript on that site(its http://somedomain/home.jsf), but I need JS to use the rest of the web-app. Can I block scripts only on ...
4
votes
3answers
11k views

Excel 2007: Filtering out rows in a table based on a list

I have a large table that looks like this: ID String 1 abcde 2 defgh 3 defgh 4 defgh 5 ijkl 6 ijkl 7 mnop 8 qrst I want to selectivley hide rows ...
4
votes
4answers
6k views

Microsoft Outlook 2010: Is there a “Subject Equals” rule filter?

Our web application emails us errors that occur in production, each of which has a unique subject and not all of which apply to me. For the errors that don't apply to my part of the app, I like to ...
4
votes
2answers
713 views

How to filter cells based on font color?

Someone sent me an Excel 2010 spreadsheet with more than 50,000 records with the request to review the "highlighted in red" records. My current method of scrolling with the assumption I have a keen ...
4
votes
1answer
129 views

Filter MP3s by encoder type?

I'm on a Mac and use iTunes to manage my music collection. I'm in the process of weeding out the lower quality files that I have and would like to have only MP3s that have been encoded using the V0 ...
3
votes
5answers
3k views

Output from rpm -qa, how to extract only the name of the package?

The output format from the command rpm -qa looks like the following: abrt-1.1.14-1.fc14.x86_64 abrt-addon-ccpp-1.1.14-1.fc14.x86_64 abrt-addon-kerneloops-1.1.14-1.fc14.x86_64 ...
3
votes
5answers
2k views

Excel formula - querying a Range that results a Range

I have a Range in Excel (B3:C8) from which I want to filter out the English persons. In SQL this would be dead simple: SELECT Persons FROM [myTable] WHERE Nationality = 'English' How can I apply a ...
3
votes
1answer
431 views

Browser which can access only one website?

I have a web based back-office application for my company. I am hiring a new employee and want to give them access to the application, but they are not allowed to use a traditional web browser (for ...
3
votes
1answer
583 views

ffmpeg's select-filter generates unwanted black frames

I want to cut a video by frames with ffmpeg. What I came up with so far is ffmpeg -i P2.mp4 -vf "fps,setpts='PTS-STARTPTS',select='gte(n\,20)*lte(n\,30)',crop='600:430:100:650',scale='280:-1'" ...
3
votes
3answers
2k views

How to exempt rows from being hidden/filtered in Excel 2010?

Consider a spreadsheet that starts looking like this: I want to be able to filter for Name 1 on the left column and have it look like this: Yes, I realize that the simple answer is to filter for ...
3
votes
1answer
577 views

Need more than 32 wireless mac filters

Are there any home or small business wireless routers that have more than 32 mac address filters? I'm currently using a Linksys WRT120N with a 32 address capacity and 32 is not enough.
3
votes
2answers
1k views

Is there a face recognition command line tool?

I've download a lot of images in one directory including People and Landscape. I want to split the directory into two. I'm looking for a Linux command line tool to filter by face.
3
votes
2answers
3k views

rsync only a specific subset of directories

I need to use rsync to synchronize several directories from an rsync server. The whole rsync module is quite large and I like to avoid coping the other, not required parts as well. I have the wanted ...
3
votes
1answer
243 views

is there a way to setup this rule in outlook to identify emails just to me (no other to or cc)

is there a way to setup a rule to isolate emails that are sent directly to me and noone else is cced or in the to:
3
votes
1answer
454 views

Filter comma-delimited Excel column

I have an Excel sheet serving as a master spell list for a tabletop game. Each row (save for row 1) contains the data for a spell: Name, Target, Range, Duration, Function, Effect, Subject, Level, and ...
3
votes
1answer
669 views

If I enlarge a streaming web video, it looks pixellated. When I fullscreen, it looks smooth. How can I force this smoothing filter always?

I want the same smoothing filter to be applied even when I don't fullscreen, at any scale. Windows 7 64bit, nvidia geforce 9500 GT. Firefox browser.
3
votes
2answers
1k views

Outlook 2003 - Rules are not automatically applied

I have a bunch of rules in Outlook. Until last week they all worked fine, but now they don't get automatically applied upon incoming mail. When I manually apply rules now from Rules menu, they get ...
2
votes
7answers
289 views

How to safely connect a Windows machine that CAN'T have anti-virus (due to real time demands) to the internet via a Windows machine that is protected?

I have a Windows-based machine that cannot have anti-virus installed due to the performance impact that would have on the machine's role as the controller in a live radio studio mixing console. This ...
2
votes
2answers
13k views

How can I filter/grep some output only by certain column?

How can I filter some output only by certain column? I need something like this: tail -f logs/access_log | grep -v "200" --only-in-column=1 So I want to see only lines that don't have string '200' ...
2
votes
4answers
3k views

Is it possible to script ThunderBird filters

Is it possible to write your own filters for Thunderbird, I don't care what language is used. I want to be able to do a full analysis of the email (headers and text) and take certain actions based on ...
2
votes
5answers
617 views

Twitter client that can only show tweets with specified words? [closed]

Does anyone know of a Twitter client that can filter and show tweets that only contain specific words? I'm currently using Twhirl because it looks good, clean, can be customized (text size) etc. ...
2
votes
2answers
1k views

how to filter each 4 rows in Excel?

Actually I have an Excel file(xlsx - MS Office 2010) file that it has a column (Just A) and 3000 rows, I want to filter it each 4 rows, for example at first I want Row 4 after that row 8 after that ...
2
votes
1answer
3k views

Windows 7 Search Filters--Files Only

Why in the world can I not . in Windows 7 search? All I want to do is return all the files in all the sub-directories in one location so I can sort by dimensions. Any one know how to return all files ...
2
votes
1answer
2k views

What is the best way to reduce wind noise from a sound track?

I have many takes in a windy environment. No good microphon was used to avoid the wind hiss. The sound I want to keep are voices only (men and women, if it matters). Both left and right tracks are ...
2
votes
3answers
7k views

Apple Mail only applies rules once: when message arrives

There is a rule in Mac Mail that I cant seem to get to work: "Date Received is Greater Than 1 Day Old". I'm expecting this to apply to messages from yesterday (and so on). Mac Mail rules only seem to ...
2
votes
1answer
186 views

Is there a way to redirect certain URLs to specific web browsers in Linux?

I'm using Chrome as my default browser in Ubuntu 12.10. I need to use Firefox for business purposes (certain websites pertaining to my work only work with Firefox). Is there a way to force Ubuntu to ...
2
votes
1answer
92 views

How can I do halftone effects in Photoshop?

How can I create this effect in Photoshop? It basically is square dots that come closer together and are bigger where the image is darker.
2
votes
3answers
24k views

How do I set up a Proxy server on my home router to enable content filtering

This is going to be a difficult question, and I really hope someone can help me out here. I have mentioned before, my son has a Nexus 4 and wants to use Google Now, I have k9 web protection enabled ...
2
votes
1answer
1k views

How can I enable/disable a USB filter in VirtualBox from the command-line?

I'm running VirtualBox Version 4.2.0 r80737. I have a USB keyboard that I usually just want filtered to the VirtualBox, but occasionally I want to free it up so that I can use it in the host OS as ...
2
votes
3answers
537 views

Thunderbird: filters don't match links

I use filters to remove some undesirable messages (in addition to the intergrated spam filter). This is great to avoid tons of boring people who want to sell me tons of boring stuff. My problem is, ...
2
votes
4answers
972 views

Sorting emails with no To: tags in Outlook

Lately people at work have been sending with mailing lists in blind copies instead of just sending to the mailing lists. I think the intent is to prevent people from accidentally replying to all, but ...
2
votes
1answer
19k views

Outlook 2007 client-side rules on a shared mailbox - not automatic

Anyone seen this issue before - a user has to manually select and run his Outlook rules for a shared Mailbox. For some reason the do not run automatically. Known issue perhaps? Runs fine for his ...
2
votes
2answers
2k views

How can I create a rule in Outlook that will automatically save & unzip an attachment when an email arrives?

I get a regular email about our site's web stats from WebTrends, but it comes as a zipped attachment. I'm wondering if there's a simple way to have a rule run a script that will unzip the attachment ...
2
votes
3answers
953 views

In a spreadsheet, is it possible to separate rows into groups that will not change order when filtered?

I am trying to make row subgroups in my spreadsheet rows so that I can sort my data but have rows in any particular subgroup stay together. This is probably easiest to show with a picture. Sorting ...
2
votes
1answer
229 views

ffmpeg does not apply watermark on first generated frame (wm is applied on all other frames)

I am generating a bunch of jpgs from a movie, and want the watermark to be applied to all the jpgs. This works fine for all frames, but the first one, and I cannot figure out why. This is the command ...
2
votes
2answers
45 views

How to live-preview lines filtered with a stack of filters?

I would like to have a live preview of a filtered plain text lines. It is important that multiple filters need to be applied either exclusively or inclusively (similar to the filters in process ...
2
votes
2answers
784 views

How can I filter for unique values using the most recent Date in a specific column?

I have 10K rows of data, some with multiple rows per employee, I need to filter by unique values by using the employee ID# in 1st column, but filter using the most recent date in another column. I am ...
2
votes
2answers
358 views

Auto Updating an Excel Filter

Firstly I'm using excel 2010. I have had a look at other "auto-update" and from what I saw they wanted you to type some information in to make it "refresh" the auto-update. Essentially what I have ...
2
votes
1answer
735 views

How to filter out data between two columns?

I have data in my excel sheet in the below format A B 1 2 2 3 3 5 4 8 5 6 7 8 9 i.e colA has values 1 through 9 and colB has 2,3,5,8. Now what I need in ...
2
votes
2answers
187 views

What could I use to rate-limit certain internet content?

Much as I would like to just ban access to FaceBook in my household, it'd be political suicide and just a bit obvious. What I'd like to do is rate limit access to Facebook at certain times of the day ...